Tools Tips: How to fix the xcrun invalid active developer path error in macOS

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I recently ran into this problem, after updating my macOS version to Catalina.

Trying to update Hugo via Homebrew triggered this error:

xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun

The command was successfully completed, but we don’t want errors, right?

Here’s what I did to solve it.

In the terminal, I ran:

xcode-select --install

This triggered a dialog box in macOS:

After clicking Install and accepting the terms, the download started:

After the installation finished:

I closed the terminal window and opened a new one.

Problem solved.

Lessons in this unit:

0:	Introduction
1:	How to fix the ffmpeg not found error with youtube-dl
2:	How to set up hot reload on Electron
3:	How to disable 1Password in an input field
4:	How to recover lost data from an SD card
5:	Pasting code snippets in Discord
6:	Remove EXIF data from images
7:	Searching for the perfect e-ink writing device
8:	Syntax highlight any block on a Web Page
9:	What is a webhook?
10:	What's the best platform to deploy your projects?
11:	Scraping with Puppeteer
12:	Why use a preview version of a browser?
13:	A practical guide to Homebrew
14:	▶︎ How to fix the xcrun invalid active developer path error in macOS